Noometry

Model comparison

Claude Opus 4.7 vs Granite 4.2 8B

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 40.5 on the Noometry Index. Granite 4.2 8B costs 93× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Last verified . 11 shared benchmarks.

Claude Opus 4.7 Anthropic

58.3

Rank #19 Confirmed

Granite 4.2 8B IBM

40.5

Rank #148 Confirmed

Summary

  • They share 11 benchmarks with published results for both. Claude Opus 4.7 scores higher in 7 categories and Granite 4.2 8B in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 4.7 leads 53.8 to 26.6.
  • Granite 4.2 8B is cheaper at $0.06 / $0.25 per million input/output tokens, against $5 / $25 for Claude Opus 4.7.
  • Claude Opus 4.7 accepts more context: 1M tokens versus 131K.
  • Granite 4.2 8B has downloadable open weights; the other is API-only.

Side by side

Claude Opus 4.7Granite 4.2 8B
ProviderAnthropicIBM
Noometry Index58.340.5
Released2026-04-14—
WeightsProprietaryOpen
Context window1M131K
Max output128K118K
Input $ / M tokens$5$0.06
Output $ / M tokens$25$0.25
Results tracked6611

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Category by category

Coding Claude Opus 4.7 leads

Claude Opus 4.7: 59.6 (#13), Granite 4.2 8B: 40.5 (#137)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Coding15181380
SWE-bench Verified83.5%—
FrontierCode38.5%—
LMArena WebDev1558—
SciCode54.5%—
GSO44.1%—
WeirdML76.4%—
MirrorCode31.1%—
ALE-Bench1,323—

Agentic & Tool Use Not comparable

Claude Opus 4.7: 47.9 (#10), Granite 4.2 8B: —

BenchmarkClaude Opus 4.7Granite 4.2 8B
Terminal-Bench80.2%—
APEX-Agents49.2%—
OSWorld 2.018.2%—
τ²-bench Banking40.2%—
PostTrainBench28.6%—
ExploitBench26.5%—
GBAEval43.8%—
GDP.pdf21%—
LMArena Search1233—
Vending-Bench 210,937—

Reasoning Claude Opus 4.7 leads

Claude Opus 4.7: 53.8 (#29), Granite 4.2 8B: 26.6 (#131)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Hard Prompts15061329
ARC-AGI-275.8%—
SimpleBench61.7%—
Kagi LLM Benchmark80.7%—
NYT Connections (extended)39%—
ARC-AGI-193.5%—
CritPt12%—
Chess Puzzles30%—
Thematic Generalization72.8%—
EBR-Bench19%—
Mystery Game Puzzles28%—
DTBench94.7%—
LMCA52.2%—
Epoch Capabilities Index156.25—
ForecastBench60.3—

Math Not comparable

Claude Opus 4.7: 66.7 (#26), Granite 4.2 8B: —

BenchmarkClaude Opus 4.7Granite 4.2 8B
FrontierMath (Tiers 1-3)70.2%—
FrontierMath Tier 431.7%—
MathArena Final-Answer Competitions73.6%—
OTIS Mock AIME 2024-202597.8%—
ProofBench54%—
LMArena Math1499—
FrontierMath (Feb 2025 set)43.8%—
FrontierMath Tier 4 (v1)22.9%—

Knowledge Claude Opus 4.7 leads

Claude Opus 4.7: 62.6 (#23), Granite 4.2 8B: 38.4 (#145)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Expert15211384
GPQA Diamond90.2%—
Humanity's Last Exam36.2%—
SimpleQA Verified51.7%—
Vectara Hallucination Rate12%—

Multimodal Not comparable

Claude Opus 4.7: 41.2 (#38), Granite 4.2 8B: —

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Vision1316—
Blueprint-Bench 224.5%—
Furniture Assembly33.3%—
LMArena Document1495—

Multilingual Claude Opus 4.7 leads

Claude Opus 4.7: 57.3 (#10), Granite 4.2 8B: 44.5 (#178)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Non-English14801302
LMArena Chinese15311366
LMArena Russian14941285
LMArena French1503—
LMArena German1495—
LMArena Japanese1472—
LMArena Korean1464—
LMArena Spanish1495—

Instruction Following Claude Opus 4.7 leads

Claude Opus 4.7: 78.4 (#10), Granite 4.2 8B: 68.7 (#184)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Instruction Following14981301

Long Context Claude Opus 4.7 leads

Claude Opus 4.7: 46.2 (#25), Granite 4.2 8B: 40.3 (#159)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Longer Query15051324

Writing & Preference Claude Opus 4.7 leads

Claude Opus 4.7: 75.1 (#8), Granite 4.2 8B: 49.6 (#189)

BenchmarkClaude Opus 4.7Granite 4.2 8B
LMArena Text14901320
LMArena Creative Writing14861236
LMArena Multi-Turn15051301
EQ-Bench Creative Writing1914—
EQ-Bench 41311—

Frequently asked questions

Is Claude Opus 4.7 better than Granite 4.2 8B?

Claude Opus 4.7 is the stronger model overall, scoring 58.3 to 40.5 on the Noometry Index. Granite 4.2 8B costs 93× less per token, which makes it the better buy when Claude Opus 4.7's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 4.7 or Granite 4.2 8B?

Granite 4.2 8B is cheaper. It lists at $0.06 per million input tokens and $0.25 per million output tokens; Claude Opus 4.7 lists at $5 and $25.

Is Claude Opus 4.7 or Granite 4.2 8B better for coding?

Claude Opus 4.7 scores higher on coding benchmarks: 59.6 versus 40.5 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 4.7 does, with 1M tokens against 131K.

How many benchmarks do Claude Opus 4.7 and Granite 4.2 8B share?

11 benchmarks have published results for both models. Claude Opus 4.7 has 66 scored results on Noometry and Granite 4.2 8B has 11.

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